SIEMENS 6DR2803-8C Description Description SIEMENS INTERFACE MODULE RS232/RS485 FOR SERIAL COMMUNICATION (SES) Related products SIEMENS 1FK7042-5AK71-1FB0 SIEMENS 1FN1910-0AA20-1AA0 SIEMENS 1FN1910-0AA20-3AA0 SIEMENS 1FN3300-4SA00-0AA0 SIEMENS 1FK7042-5AF71-1EA0 SIEMENS 1FK7060-5AF71-1FH3
